From exactly seven objects: R, S, T, D, L, M and G a group of exactly four objects must be selected in accordance with the following conditions: If R is selected, T must also be selected. If S is selected, D must also be selected. If L and M are both selected together, T cannot be selected. If D is not selected, which of the following can be, but does not have to be selected?

• if Dis not selected....then S does not have to be selected
• 8 years agoHelpfull: Yes(12) No(0)
• RTLG
  RTMG
  GLMR
  =3
  
• 8 years agoHelpfull: Yes(4) No(1)
• here are some cases to be made :
  1) R&T : 5C2 ( because we already added remaining two)
  2) S-> D: 5C2 ( because we already added remaining two)
  3) L&M -> T(X) : 4C2 ( because T should not be added )
  4) D(X) : 6C2 (Take any 4 out of 6 )
  => 5C2 +5C2 + 4C2 + 6C2
  => 10+ 10+ 6+ 15
  =>41 Answer
  
• 8 years agoHelpfull: Yes(2) No(0)
• s and d must be selected together so when d is not seleted s is also not selected
• 8 years agoHelpfull: Yes(0) No(0)
• hey bro ...can u complete the questions plz
• 8 years agoHelpfull: Yes(0) No(1)
• If D is not selected then M does not have to be selected
• 8 years agoHelpfull: Yes(0) No(1)
• LMRG is the answer
• 8 years agoHelpfull: Yes(0) No(1)
• s shud not be selected
• 8 years agoHelpfull: Yes(0) No(0)
• RTLG
  RTMG
  = 2
  
  conditions:
  D is not selected means there is no selection for S
  there is no condition for G, means already selected
  IF L & M selected together Then T is not selected
  so, RTLG and RTMG
• 8 years agoHelpfull: Yes(0) No(0)